1. in focus : 焦点对准；
2. out of focus : 焦点没对准的, 模糊不清的；
1. in focus : 焦点对准；
2. out of focus : 焦点没对准的, 模糊不清的；
及物动词
1. This photograph looks funny; I think you forgot to focus the camera.
这张照片看上去有些滑稽，我想你是忘了给照相机调焦距了。
2. focus
2. You can focus your telescope on that distant television tower.
你可以对着那座远方的电视塔调节望远镜的镜头。
不及物动词
1. focus的反义词
1. A defect of vision prevented him from focusing accurately.
视力上的缺陷使他不能准确对焦。
名词
1. The focus of this chapter is the American Revolution.
本章的重点是讲美国独立战争。
2. She always wants to be the focus of attention.
她老想成为人们注意的中心。
3. He took out the binoculars and adjusted the focus.
他取出双筒望远镜并调整了焦距。
Promotional Activities-(促销活动)
A：As you know, the FastTrek 2000 is due for release next month. I think we've finally worked the kinks out.
正如你所知，FastTrek 2000 预定在下个月推出。我想我们已经解决了所有琐碎的问题。
B：Great. That's vital. Quality is the focus of the ad campaign. The boards must work well if they're going to be the cash cow we want them to be.
太好了。那很重要。品质是广告活动的焦点。如果要让这些适配卡如我们所要的成为摇钱树的话，就不能出乱子。
A：Let's go over our promotion plans again.
我们再看一遍我们的促销计划。
B：OK. We have six major retailers running demonstrations at most branches. And our exhibition team is already on the road setting up for computer shows.
我们有六家主要的零售商在大部分的分店做展示。而且我们的展示队伍已经为计算机展在起跑了。
A：Good. What about print and radio?
很好，那印刷品和广播呢？
B：We've taken out full-page ads for two large trade magazines. And more important, our press releases have been well received.
我们在两家大的商业杂志刊登了全版广告。更重要的是，我们的新闻稿已经全被采纳了。
A：Any larger ads?
有再大一点的广告吗？
B：Yes. We're putting the same full-page ad in the Sunday edition of three major newspapers.
有的。我们在三大报的星期天版面放了相同的全版广告。
A：Sounds perfect.
听起来很周全。
B：But nothing ever works out as you want it. So I have a number of other tricks up my sleeve, as well.
不过有时候就是会事与愿违，所以我还有很多其它的妙计。
1. 焦距：PART 1 数码相机剖析篇 单元1 像素点(pixel) 单元2 拍摄尺寸 (分辨率) 单元3 感光组件--CCD VS CMOS 单元4 光圈(Aperture) 单元5 快门(Shutter) 单元6 焦距(Focus) --定焦与变焦 单元7 对焦模式 单元8 测光模式 单元9 感光
2. 专一化：企业成功的三种基本战略, 有三种提供成功机会的基本战略方法,可能使公司成为同行中的佼佼者: 总成本领先(overall cost leadership)战略 差异化(differentiation)战略 专一化(focus)战略 有时公司可能成功地寻求一种以上的方法作为其基本目标,
3. focus：fiber optic connection universal system; 光纤连接通用系统
4. focus：federation on computing in the united state; 美国计算联盟（国际信息处理联合会属下）
1. 集中(注意力);关注
If you focus on a particular topic or if your attention is focused on it, you concentrate on it and think about it, discuss it, or deal with it, rather than dealing with other topics.
e.g. The research effort has focused on tracing the effects of growing levels of five compounds...
研究重点追踪了5种化合物含量上升的影响。
e.g. He is currently focusing on assessment and development...
他目前在关注评估和发展。
2. 主题;重点;焦点
The focus of something is the main topic or main thing that it is concerned with.
e.g. The UN's role in promoting peace is increasingly the focus of international attention...
联合国在促进和平方面的作用越来越受到国际社会的关注。
e.g. The new system is the focus of controversy...
这个新体制是争议的焦点。
3. 关注;注意
Your focus on something is the special attention that you pay it.
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e.g. He said his sudden focus on foreign policy was not motivated by presidential politics...
他说他突然关注外交政策并非受总统政治的驱使。
e.g. The report's focus is on how technology affects human life rather than business...
这个报告关注的是技术如何影响人类生活而非商业活动。
4. 目的;意图;含义
If you say that something has a focus, you mean that you can see a purpose in it.
e.g. Somehow, though, their latest album has a focus that the others have lacked...
但是，他们的最新专辑设法找到了其他专辑所欠缺的一种目的性。
e.g. Suddenly all of the bizarre and seemingly isolated examples took on a meaningful focus.
突然之间，所有那些怪异且看上去孤立的例子都具有了意义。
5. 注视;使(相机、望远镜等)聚焦;给…调焦
If you focus your eyes or if your eyes focus, your eyes adjust so that you can clearly see the thing that you want to look at. If you focus a camera, telescope, or other instrument, you adjust it so that you can see clearly through it.
focus
e.g. Kelly couldn't focus his eyes well enough to tell if the figure was male or female...
凯利没有看清楚那个人影到底是男的还是女的。
e.g. His eyes slowly began to focus on what looked like a small dark ball...
他的眼睛慢慢开始看清楚那个看上去像是个小黑球的东西。
6. 注视;调焦;对焦
You use focus to refer to the fact of adjusting your eyes or a camera, telescope, or other instrument, and to the degree to which you can see clearly.
e.g. His focus switched to the little white ball...
他把关注点转移到那个小白球上。
e.g. Together these factors determine the depth of focus...
这些因素综合起来决定了景深。
7. 集中(光束);聚焦
If you focus rays of light on a particular point, you pass them through a lens or reflect them from a mirror so that they meet at that point.
e.g. Magnetic coils focus the electron beams into fine spots.
磁线圈把电子束聚焦成微小的点。
8. 聚焦点
The focus of a number of rays or lines is the point at which they meet.
9. (图像)清晰;(照相机、望远镜等)对准焦点
If an image or a camera, telescope, or other instrument is in focus, the edges of what you see are clear and sharp.
e.g. Pictures should be in focus, with realistic colours and well composed groups.
照片应该图像清晰，颜色逼真，构图合理。
10. 受关注;在讨论;(目的和性质)清楚的，明白的
If something is in focus, it is being discussed or its purpose and nature are clear.
e.g. This aggression is the real issue the world should be concerned about. We want to keep that in focus...
这次侵略才是世界应该关注的真正问题。我们想继续保持关注。
e.g. These issues were brought into sharp focus by the Gulf crisis.
海湾危机让这些问题备受关注。
11. 焦点没对准;脱焦;失焦
If an image or a camera, telescope, or other instrument is out of focus, the edges of what you see are unclear.
e.g. In some of the pictures the subjects are out of focus while the background is sharp.
一些照片背景很清晰，被摄主体却因失焦而显得模糊。
e.g. ...a lot of out-of-focus photographs.
许多对焦不实的照片
12. 不受关注;(目的和性质)不清晰的
If something is out of focus, it is not being discussed or its purpose or nature is not clear.
e.g. The deficit in the US balance of payments put these considerations out of focus...
美国的国际收支逆差使这些因素没有得到关注。
e.g. The movement towards democracy in Latin America and the foreign debt problems that have plagued it have gone out of focus.
拉丁美洲的民主运动和困扰该地区的外债问题已经淡出人们的视线。